Blanco, M. B., Greene, L. K., Davis, L. J., Charles Welch, C. 2019. Fuel Use and Cookstove Preferences in the SAVA Region. Madag

Blanco, M. B., Greene, L. K., Davis, L. J., Charles Welch, C. 2019. Fuel use and cookstove preferences in the SAVA region. Madagascar Conservation & Development 14, 1: 12–18. http://dx.doi.org/10.4314/mcd.v14i1.4 Supplementary Material

Table S1. Survey questions. (Questions have been adapted from original format in DataWinners, where responses were entered in a tablet with preset menu forms. Format consisted of textboxes and drop- down preset options for easy input)

General questions [answered by surveyor]

District name [drop-down menu: Sambava, Antalaha, Andapa}

Commune name [enter name in textbox]

Village name [enter name in textbox]

What is the roof of the house made of? [drop-down menu: bamboo, cement, ravinala, i.e. traveler's palm, tin, other]

What are the walls of the house made of? [drop-down menu: bamboo, cement, ravinala, i.e. traveler’s palm, tin, wood, other]

Basic household demographics

Is respondent male or female? [drop-down menu: Female, Male]

Is the primary cook for the family male or female? [drop-down menu: Female, Male]

How many people live in the household? [enter number in textbox]

Cooking space, cookstove types and related questions

Where do you cook? [drop-down menu: open space, outside/roof/no walls or weak, inside/3 walls/window, roof/strong walls/close]

Stove type [drop-down menu: stone structure, metal tripod, brick structure, ADES-wood, simple metal, brick-clay with metal protective rim, brick-clay without a metal protective rim, tile-cement structure, ADES-charcoal, other]

Fuel type [drop-down menu: firewood, charcoal, gas, other]

How many stoves [same type] [enter number in textbox]

How many hours lit per day [enter number in textbox]

[repeat questions until all stove types are included]

Preferred material to start fire [enter response in textbox]

Do you own an ADES stove? [drop-down menu: Yes, No]

Do you use your ADES stove? [drop-down menu: Yes, No]

Why don’t you use your ADES? [enter response in textbox]

How much money do you spend per week on cooking? [enter number in MGA in textbox]

How much time do you spend per week on collecting firewood? [enter number on hours in textbox]

Table S2. List of villages (fokontany) surveyed in this study, ordered by commune, district and distance from paved road.

# District Commune Fokontany Distance households Andapa Andapa Ambomitsinzo paved 20 Andapa Andapa Andapa Sud paved 20 Andapa Andapa Antangegny paved 20 Andapa Andasibe Kobahina Andasibe Kobahina good dirt 26 Andapa Belampona Ambody Pont good dirt 21 Andapa Belampona Belampona good dirt 19 Andapa Doany Doany off road 32 Andapa Marovato Marovato good dirt 20 Antalaha Antalaha Ambatomitraka paved 20 Antalaha Antalaha Antananbao paved 20 Antalaha Antalaha Belle Rose paved 20 Antalaha Antsahanoro Antsahanoro off road 22 Antalaha Lanjarivo Vohitsoa off road 20 Antalaha Marofinaritra Marofinaritra off road 21 Sambava Andrahanjo Andrahanjo off road 22 Sambava Anjangoveratra Anjangoveratra paved 19 Sambava Maroambihy Ambohimanarina paved 16 Sambava Maroambihy Manantenina paved 22 Sambava Maroambihy Mandena paved 24 Sambava Maroambihy Maroambihy paved 18 Sambava Nosiarina Nosiarina paved 20 Sambava Sambava Ambatofitatra paved 20 Sambava Sambava Ambodisatrana paved 14 Sambava Sambava Sambava Centre paved 20 Sambava Tanambao Daoud Tanambao Daoud off road 21 Total households included in the analysis 517

Table S3. Preferred features in cookstoves including households using firewood, compared by distance from paved road. Numbers in parentheses represent percentages of respondents selecting this choice; n represents the number of households.

Top 1 choice Top 2 choice Top 3 choice Top 4 choice

Cooking time Fuel efficiency (21) Doesn’t dirty pots Amount of smoke Paved road (34) n=48 n=30 (12) n=17 /Type of fuel (9) n=12 Cooking time Fuel efficiency (20) Type of fuel Other Dirt road (44) n=31 n=14 (17) n=12 (9) n=6 Cooking time Amount of smoke Doesn’t dirty pots Fuel efficiency Off road (31) n=38 (21) n=26 (14) n=17 (13) n=16 Pearson p=0.0019

Table S4. Preferred features in cookstoves including households using firewood, compared by district.

Top 1 choice Top 2 choice Top 3 choice Top 4 choice

Andapa Cooking time Fuel efficiency (22) Type of fuel Amount of smoke (37) n=41 n=24 (14) n=16 (8) n=9 Antalaha Cooking time Doesn’t dirty pots Amount of smoke Fuel efficiency (36) n=25 (16) n=11 (13) n=9 /Other (11) n=8 Sambava Cooking time Fuel efficiency (19) Amount of smoke Doesn’t dirty pots (34) n=51 n=28 (14) n=21 (13) n=19 Pearson p=NS

Table S5. Preferred features in cookstoves including households using charcoal, compared by distance from paved road.

Top 1 choice Top 2 choice Top 3 choice Top 4 choice

Paved road Fuel efficiency Cooking time Type of fuel Amount of smoke (33) n=64 (19) n=36 (12) n=23 (11) n=21 Dirt road Fuel efficiency Cooking time Type of fuel Portability (46) n=18 (28) n=11 (23) n=9 (3) n=1 Off road Doesn’t dirty Fuel efficiency Cooking time Amount of smoke/ pots (21) n=7 (15) n=5 Type of fuel (15) (24) n=8 n=5 Pearson p=0.022

Table S6. Preferred features in cookstoves including households using charcoal, compared by district.

District –all Top 1 choice Top 2 choice Top 3 choice Top 4 choice charcoal Andapa Fuel efficiency Type of fuel Cooking time Doesn’t dirty pots (40) n=44 (20) n=22 (15) n=16 (8) n=9 Antalaha Cooking time Fuel efficiency Other Doesn’t dirty pots (32) n=20 (27) n=17 (15) n=9 (8) n=5 Sambava Fuel efficiency Cooking time (17) Amount of Type of fuel (29) n=28 n=16 smoke (16) n=15 (14) n=13 Pearson p=0.0017